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CN1225945C - Electroluminescence display device and packaging method thereof - Google Patents

Electroluminescence display device and packaging method thereof Download PDF

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Publication number
CN1225945C
CN1225945C CNB021608237A CN02160823A CN1225945C CN 1225945 C CN1225945 C CN 1225945C CN B021608237 A CNB021608237 A CN B021608237A CN 02160823 A CN02160823 A CN 02160823A CN 1225945 C CN1225945 C CN 1225945C
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CN
China
Prior art keywords
substrate
electrode wires
viewing area
guide wire
electroluminescent display
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CNB021608237A
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Chinese (zh)
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CN1512826A (en
Inventor
吴朝钦
廖孟杰
李君浩
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RiTdisplay Corp
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RiTdisplay Corp
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Priority to CNB021608237A priority Critical patent/CN1225945C/en
Priority to CNB2005100702414A priority patent/CN100485995C/en
Publication of CN1512826A publication Critical patent/CN1512826A/en
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Publication of CN1225945C publication Critical patent/CN1225945C/en
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Abstract

The invention relates to an electroluminescent display device, comprising: a substrate having a first lead region, a second lead region and a display region; a plurality of connecting wires located outside the display region on the substrate surface, a plurality of first electrode wires located in the display region on the substrate surface; a plurality of first lead lines located in the first lead region on the substrate surface; a plurality of second lead lines located in the second lead region on the substrate surface; an upper cover body located above the substrate display region for covering the substrate display region; a sealing adhesive layer between the upper cover and the panel to isolate the display region of the substrate from air or water; and an insulating layer covering the first guide line, the second guide line and the connecting wire outside the sealing compound layer to isolate air or water.

Description

Electroluminescent display and method for packing thereof
Technical field
The invention relates to a kind of flat display apparatus, refer to a kind of demonstration information that is applicable to especially, the electroluminescent display of image.
Background technology
Organic electro-luminescent display (OLED) is one of the most potential flat display apparatus at present.The principle of luminosity that organic electro-luminescent display (OLED) is adopted is with to adopt liquid crystal greatly different as the LCD Technology of optical switch medium in the past, the pixel luminescence unit of OLED can be luminous voluntarily when current lead-through is conducted electricity, need not add backlight, the panel of LCD or TFT-LCD is then still needed and is wanted an extra module backlight as backlight.Therefore, how to utilize the self luminous characteristic of organic electric-excitation luminescent material itself,, make display element towards light, thin, short, little trend development, and have layout attractive in appearance concurrently, become industry urgently in the important topic that solves to improve the space utilization elasticity of oled panel.
Have a viewing area on the panel of electroluminescent display, the lead of viewing area is with the guide wire conduction current more.And present viewing area guide wire is to add the conduction of heavy current and the simplification of processing procedure, uses a transparent electrode material and to be stacked and placed on additional conductive metal (for example chromium) material on the transparency electrode more and constitutes guide wire on the panel.Yet, the frequent effect of the aforementioned laminated construction of guide wire because of water in the Chang Yinwei environment of storeroom and oxygen, or, cause laminated construction partly to peel off because frequent current drives causes deterioration.The guide wire of viewing area electrode wires burns or situation of short circuit often so continue on the panel of electroluminescent display, and thereby to cause the electroluminescent display viewing area to show undesired, the situation such as undesired bright line or undesired concealed wire takes place.Thereby the useful life of shortening electroluminescent display, worsen display quality and reduce the production yield, need badly and improved.
The inventor whence originally in the spirit of positive invention, is urgently thought a kind of " electroluminescent display and method for packing thereof " that can address the above problem because of in this, and several times research experiment is eventually to finishing the present invention.
Summary of the invention
Main purpose of the present invention is that a kind of electroluminescent display is being provided, so that can reduce or avoid guide wire to cause deterioration because of water in the environment and oxygen, reducing guide wire burns or short circuit, improve display quality, increase the service life, improve the production yield of panel, reduce the cost of defective products loss.
Another object of the present invention is that a kind of method for packing of electroluminescent display is being provided, so that can reduce or avoid guide wire to cause deterioration because of water in the environment and oxygen, reducing guide wire burns or short circuit, improve display quality, increase the service life, improve the production yield of panel, reduce the cost of defective products loss.
Electroluminescent display of the present invention comprises: a substrate is to have one first lead district, one second lead district and a viewing area; Wherein this viewing area is adjacent to this first lead district and this second lead district respectively; A plurality of connection leads are to be positioned at outside this viewing area of this substrate surface, and are not cross-linked between this connection lead; A plurality of first electrode wires are these viewing areas that are positioned at this substrate surface, and each first electrode wires and be connected lead with and be connected; A plurality of first guide wires are first lead district that are positioned at this substrate surface, are not cross-linked between each first guide wire; A plurality of second guide wires are second lead district that are positioned at this substrate surface, are not cross-linked between each second guide wire; One upper cover body is to be positioned at this top, substrate viewing area, in order to cover this substrate viewing area; One adhesive layer is between this upper cover body and this panel, to seal this substrate viewing area, the viewing area of this substrate and air or water is isolated; And an insulating barrier, be to be covered in this outer first guide wire of this adhesive layer, this second guide wire and should connect lead is with air-isolation or water; This first electrode wires wherein, this first guide wire, this second guide wire and this connection lead have an at least one assistant metal layer and a transparent electrode layer, this transparent electrode layer and between this assistant metal layer and this substrate.
The method for packing of electroluminescent display of the present invention, comprise following step: have prior to one and form a viewing area, a plurality of first electrode wires, a plurality of connection leads on the substrate of an at least one assistant metal layer and a transparent electrode layer, a plurality of first guide wires, a plurality of second guide wires; Wherein this first electrode wires is this viewing area that is positioned at this substrate surface, and each first electrode wires and be connected lead with and be connected; This first guide wire is positioned at outside this viewing area of this substrate surface, and is not cross-linked between each first guide wire; Be not cross-linked outward, and between each second guide wire; And this first electrode wires, this first guide wire, this second guide wire and this connection lead have an at least one assistant metal layer and a transparent electrode layer, this transparent electrode layer and between this assistant metal layer and this substrate; With form at least one organic light emitting function layer and a plurality of second electrode wires in this viewing area, and on this substrate this first guide wire of the part outside the viewing area, this second guide wire of part and part should connect formation one insulating barrier on the lead, with air-isolation or water; Wherein these a plurality of second electrode wires and this organic light emitting function layer are positioned at the viewing area of this substrate at least, this organic light emitting function layer is folded between these a plurality of second electrode wires and this each first electrode wires, and this each first electrode wires directly is not connected conducting with these a plurality of second electrode wires; And this each second electrode wires is connected with one first guide wire or with one second guide wire; And covering one upper cover body on this viewing area that continues, and between this upper cover body and this substrate, form an adhesive layer; This outer first guide wire of this adhesive layer wherein, this second guide wire and this connection lead are coated with this insulating barrier.
A kind of electroluminescent display of the present invention comprises: a substrate is to have one first lead district, one second lead district and a viewing area; Wherein this viewing area is adjacent to this first lead district and this second lead district respectively; A plurality of connection leads are to be positioned at outside this viewing area of this substrate surface, and are not cross-linked between this connection lead; A plurality of first electrode wires are these viewing areas that are positioned at this substrate surface, and each first electrode wires and be connected lead with and be connected; A plurality of first guide wires are first lead district that are positioned at this substrate surface, are not cross-linked between each first guide wire; A plurality of second guide wires are second lead district that are positioned at this substrate surface, are not cross-linked between each second guide wire; A plurality of second electrode wires are these viewing areas that are positioned at this substrate surface, and each second electrode wires is connected with this first guide wire or this second guide wire; A plurality of second electrode wires are these viewing areas that are positioned at this substrate surface, and each second electrode wires and this first guide wire mutually or this second guide wire be connected; One upper cover body is to be positioned at this top, substrate viewing area, in order to cover this substrate viewing area; One adhesive layer is between this upper cover body and this substrate, to seal this substrate viewing area, the viewing area of this substrate and air or water is isolated; And an insulating barrier, be to be covered in this outer first guide wire of this adhesive layer, this second guide wire and should connect lead is with air-isolation or water; This first electrode wires wherein, this first guide wire, this second guide wire and this connection lead have an at least one assistant metal layer and a transparent electrode layer, this transparent electrode layer and between this assistant metal layer and this substrate.
Because the present invention can provide on the industry and utilize, and truly has the enhancement effect, so apply for patent of invention in accordance with the law.
Description of drawings
For allowing the auditor can more understand technology contents of the present invention, as follows especially exemplified by electroluminescent display preferred embodiment and description of drawings, wherein:
Fig. 1 a is the electroluminescent display of the present invention vertical view of (not representing loam cake).
Fig. 1 b is the electroluminescent display of the present invention vertical view of (not representing loam cake).
Fig. 2 is the schematic diagram that electroluminescent display sealing of the present invention connects lead processing outward.
Fig. 3 a, 3b, 3c are the viewing area manufacture method schematic diagrames of the preferable routine electroluminescent display of the present invention.
Fig. 4 is the end view of electroluminescent display pixel of the present invention.
Fig. 5 is the stereogram of electroluminescent display of the present invention.
Embodiment
Display mechanism in the viewing area of electroluminescent display of the present invention is unrestricted, can optionally be passive type electroluminescent display or active-matrix formula electroluminescent display.This of electroluminescent display of the present invention first lead district and second lead district distribute unrestricted, can be the periphery that existing X-Y type is distributed in the viewing area, on existing-mo(u)ld bottom half is distributed in the last lower periphery of viewing area, or about symmetrically, adjacency also inserts and puts this viewing area periphery, and being preferably this viewing area is between this first guide wire and this second guide wire.The number of first guide wire of electroluminescent display of the present invention and this second guide wire number are unrestricted, and the number that is preferably these a plurality of first guide wires is identical with these a plurality of second guide wire numbers.This of electroluminescent display of the present invention first electrode wires, this first guide wire, this second guide wire and this connection lead have a transparent electrode layer, with the conducting current signal, and can optionally have at least one assistant metal layer to increase conductivity.This first electrode wires, these a plurality of first guide wires, and this selectivity assistant metal layer materials of this a plurality of second guide wires unrestricted, being preferably the assistant metal layer is aluminium, chromium or silver alloy.The viewing area of electroluminescent display of the present invention is preferable can more to comprise a plurality of separators, and wherein this separator is to be positioned on the surface of the substrate of this viewing area or this first electrode wires, and this separator is between this adjacent second electrode wires.The viewing area of electroluminescent display of the present invention is preferable can more to comprise a plurality of pixel definition layers, to isolate and to define each organic light emitting function layer zone; Wherein each pixel definition layer is between adjacent organic light emitting function layer and is positioned at this substrate or the surface of these a plurality of first electrode wires.The material of the pixel definition layer of electroluminescent display of the present invention can be any existing pixel definition layer material, is preferably Polyimide (polyimide).First electrode wires of electroluminescent display of the present invention can be any existing transparent electrode material, and being preferably transparency electrode is InSnO 3, SnO 2, doping ZnO In 2O 3, CdSnO or antimony.Second electrode wires of electroluminescent display of the present invention can be any existing transparent electrode material, and being preferably second electrode wires is aluminium, diamond, class diamond, calcium, aluminium silver alloy or magnesium silver alloy.First electrode wires of electroluminescent display of the present invention is arranged unrestricted, is preferably first electrode wires for being parallel to each other.Second electrode wires of electroluminescent display of the present invention is arranged unrestricted, is preferably second electrode wires for being parallel to each other.The method for packing of electroluminescent display of the present invention is before the organic light emitting function layer of this viewing area and a plurality of second electrode wires form, can optionally form a pixel definition layer, that is on substrate, form a plurality of pixel definition layers, to isolate and to define each organic light emitting function layer zone; Wherein each pixel definition layer is between adjacent organic light emitting function layer and is positioned at this substrate or the surface of these a plurality of first electrode wires.The method for packing of electroluminescent display of the present invention also can be optionally before the organic light emitting function layer of this viewing area and a plurality of second electrode wires form, prior to forming a plurality of separators on the substrate, this separator is to be positioned on the surface of the substrate of this viewing area or this first electrode wires, and this separator is between this adjacent second electrode wires.The organic light emitting function layer of electroluminescent display of the present invention can be general luminescent organic molecule layer or macromolecular LED molecular layer, and can optionally optionally add the electron production layer, electronic conductive layer, and electric hole conducting shell or electric hole produce layer.The sealing of electroluminescence panel device of the present invention covers the upper shell of this substrate viewing area, is the viewing area of this substrate and air or water are isolated.This integrated circuit (IC) wafer of electroluminescence panel device of the present invention is preferably that (Chip On Glass, COG) encapsulation technology is connected in this substrate with glass flip chip.The material of the insulating barrier of electroluminescent display of the present invention can be the organic or inorganic material of existing isolated aqueous vapor or oxygen, and being preferably this insulating barrier is SiO 2, TiO 2, SiNx, epoxy resin, the not imperial resin of unsaturated polyester resin, iron, phenolic resins or Polyimide (polyimide).The covering method of the insulating barrier of electroluminescent display of the present invention can be existing covering method, is preferably this insulating barrier with evaporation, sputter, and immersion plating or spray method form.
It is to utilize for the first outer guide wire of viewing area sealing that electroluminescence of the present invention shows device; second guide wire; connect on the assistant metal layer of lead, cover a last insulating barrier, with the first outer guide wire of protection sealing; second guide wire; connect lead assistant metal layer, to avoid the first outer guide wire of the outer sealing of sealing, second guide wire; connect lead assistant metal layer and be subjected to the erosion of aqueous vapor and oxygen, and cause the reduction of display quality or the shortening in useful life.This method for packing, can have assistant metal layer first guide wire in panel, second guide wire, after connecting the formation of lead assistant metal layer, utilize to apply or evaporation, the method for sputter is formed at insulating barrier first guide wire outside the sealing position again, second guide wire connects the assistant metal layer on the lead.So, just can exempt the erosion of aqueous vapor and oxygen, and then reduce the reduction of display quality or the shortening in useful life.
The electroluminescent display of manufacturing of the present invention can be applicable to purposes or the equipment that any image, picture, symbol and literal show, is preferably display panel, signal machine, communication apparatus, phone, light fixture, car light, conversation type e-book, the micro-display (microdisplay) of TV, computer, printer, screen, transport carrier (vehicle), demonstration, personal digital assistant (personal digital assistant), game machine (game), the demonstration of aircraft (airplane) equipment and the demonstration of recreation eyeshade etc. of fishing (fishing) equipment.
Embodiment 1
Please refer to Fig. 1 a of the present invention and Fig. 1 b.Fig. 1 a and Fig. 1 b are the preferable routine vertical view of electroluminescent display of the present invention, and Fig. 1 a is the vertical view of the electroluminescent display of expression adhesive layer position, and Fig. 1 b is not for forming adhesive layer, and the vertical view of the electroluminescent display of the cathode layer of pixel.But the convenience for explanation is not covered with upper cover body in Fig. 1 a and Fig. 1 b.On the panel 100 of electroluminescent display of the present invention, be divided into two lead district (i.e. first lead district 101 and second lead district 102) and a viewing area 103, the display mechanism of this viewing area 103 is unrestricted, can optionally be passive type electroluminescence display mechanism or active-matrix formula electroluminescence display mechanism, the display mechanism of this viewing area 103 be a passive type electroluminescence display mechanism in the present embodiment.First guide wire 1011 and second guide wire 1021 are arranged respectively in first lead district 101 and second lead district 102.The distributing position of this first lead district 101 and second lead district 102 is symmetrically in the present embodiment, and adjacency also inserts and puts this viewing area 103.102 the first not corresponding guide wires 1011 of first lead district 101 in the present embodiment and second lead district and second guide wire 1021 are in order to connect electrode wires and corresponding integrated circuit 105 pins or other wiring (for example link of winding displacement) of viewing area 103.Each 1011 of first guide wire or each 1021 of second guide wire are not cross-linked on the panel 100.On first lead district 101, be furnished with a plurality of directions of falling L, and first guide wire 1011 that is parallel to each other; On second lead district 102, also be furnished with a plurality of directions of falling L, and second guide wire 1021 that is parallel to each other, wherein, identical at a plurality of first guide wire, 1011 numbers on first lead district 101 with a plurality of second guide wire, 1021 numbers on second lead district 102.Outside this viewing area 103,, be furnished with the electrode wires of connection lead 104, and 104 in lead of connection is not cross-linked with connection viewing area 103 in the below of panel 100.In present embodiment, this connection lead 104 is first electrode wires 1031 (being anode line) that connect viewing area 103, and connection lead 104 also is connected to corresponding integrated circuit 105 pins or other wiring (for example link of winding displacement).This first electrode wires 1031 is for transparent electrode lines or have the transparent electrode lines of assistant metal line (please refer to Fig. 3 a to Fig. 3 c), and in present embodiment, these first electrode wires, 1031 materials are ITO.The ITO of this first electrode wires 1031 goes up and is furnished with strip silver alloy auxiliary electrode line 1038 to increase conductive current.This pixel defining layer 1037 is formed at this panel 100, or the surface of this first electrode wires 1031, to isolate and definition luminous tube energy base layer region.
First guide wire 1011 of this viewing area 103 and second guide wire 1021 are the second electrode wires lines 1034 (being cathode line) that are connected to this viewing area 103, and second electrode wires 1034 (being cathode line) is an aluminum steel in the present embodiment.103 peripheries, viewing area of panel 100 are with an adhesive layer 1032 sealing viewing areas 103, itself and by adhesive layer 1032 combine with upper cover body 106 (please refer to Fig. 5).In this upper cover body 106 and the adhesive layer 1032 that is inserted and put, then irritate with inert gas.Inert gas is a nitrogen in the present embodiment.The viewing area 103 of present embodiment electroluminescent display is folded between this first lead district 101 and second lead district 102, and its spatial configuration can improve the space utilization elasticity and reduction volume production cost of panel.
This viewing area 103 is for having second electrode wires 1034 (negative electrode), and first electrode wires 1031 (anode) and luminous functionalized layer 1035 are formed the viewing area of pixel (pixel), and its pixel end view please refer to Fig. 4.The luminous functionalized layer 1035 of this viewing area 103 is folded between this second electrode wires 1034 (negative electrode) and first electrode wires 1031 (anode).Second electrode wires 1034 (negative electrode), the aligning method and the kenel of first electrode wires 1031 (anode) are unrestricted, can be that any existing active-matrix formula is arranged or passive type is arranged, second electrode wires 1034 (negative electrode) in the present embodiment, first electrode wires 1031 (anode) is the passive type arrangement.It has first electrode wires 1031 (anode) of a plurality of stripe-arrangement, second electrode wires 1034 (negative electrode) and a plurality of organic light emitting function layer 1035 of a plurality of stripe-arrangement.Wherein these a plurality of second electrode wires (negative electrode) 1034 and this organic light emitting function layer 1035 are positioned at the viewing area 103 of this substrate, this organic light emitting function layer 1035 is folded between these a plurality of second electrode wires 1034 (negative electrode) and this each first electrode wires 1031 (anode), and this each first electrode wires 1031 (anode) directly is not connected conducting with these a plurality of second electrode wires 1034 (negative electrode); And this each second electrode wires 1034 (negative electrode) is connected with one first guide wire 1011 or with one second guide wire 1021.This viewing area still comprises a plurality of strip photoresistance separators 1036, wherein this strip photoresistance separator 1036 is to be positioned on the surface of the substrate of this viewing area 103 and this first electrode wires 1031 (anode), this strip photoresistance separator 1036 is also staggered with first electrode wires 1031 (anode) in the stripe-arrangement of this viewing area 103, and this photoresistance separator 1036 is between this adjacent second electrode wires 1034 (negative electrode).
Outer first guide wire, 1011, the second guide wires 1021 and the connection lead-in wire 104 of adhesive area on the panel 100, for having the electrode wires of transparent electrode layer and assistant metal layer, wherein the assistant metal layer is to be covered on the transparent electrode layer.The material of this transparent electrode lines can be any existing transparent electrode material, for example: InSnO 3, SnO 2, doping ZnO In 2O 3, CdSnO or antimony.In the present embodiment, the assistant metal layer material of these first guide wire, 1011, the second guide wires 1021 and connection lead-in wire 104 is a silver alloy.
The manufacture method of present embodiment Organic Light-Emitting Device panel is to have washed on the clean face glass that is covered with yellow gold and indium tin oxide (ITO) prior to one to carry out the gold-tinted etch process.Wherein this indium tin oxide (ITO) is to be folded between this face glass and the ag alloy layer.Gold-tinted etch process etching mat etching silver alloy and indium tin oxide (ITO) once form the anode pattern of the stripe-arrangement of viewing area afterwards, first guide wire of first lead district, second guide wire of second lead district and general indium tin oxide etching solution and the etching liquid for silver alloy of the etched use of this gold-tinted of pattern that connects lead.Wherein be covered with the stripe-arrangement auxiliary electrode line 1038 (please refer to Fig. 3 a to Fig. 3 c) of silver alloy on the surface of the anode indium tin oxide (ITO) of this stripe-arrangement, the width of the auxiliary electrode line 1038 of this stripe-arrangement is less than the live width of these anode 1031 indium tin oxides (ITO).And second guide wire 1021 of first guide wire, 1011, the second lead district 102 of first lead district 101 and connection lead 104 have indium tin oxide (ITO) layer 1042 (please refer to Fig. 2) and ag alloy layer 1041.Method with chemical vapor deposition or sputter forms a SiO outside viewing area 103 subsequently 2Insulating barrier 1043 is with second guide wire 1021 of first guide wire, 1011, the second lead district 102 that cover first lead district 101 and connect lead 104 (please refer to Fig. 5).The step that this SiO2 insulating barrier 1043 forms also can be carried out after the lead in the viewing area 103 is finished, and looks closely the convenience of processing procedure and decides.After treating that insulating barrier 1043 is finished, can proceed the follow-up formation processing procedure of the luminous mechanism of viewing area 103.
It is that now forms the uniform photoresist layer of a thickness with eurymeric chemical amplification type light resistance composition in the mode of spin coating on substrate.The substrate that then this has been applied eurymeric chemical amplification type light resistance composition carries out preceding baking (prebake) in baking oven, now uses the light shield with bar pattern, cooperates the exposure facility to expose on substrate.Then this substrate is handled with postexposure bake (PEB), and when back baking (PEB) is handled, carry out surface treatment with the atmosphere that imports tetramethyl ammonium hydroxide simultaneously to photoresistance separator 1036, after developing, on substrate, form the parallel long strip light vertical and intercept absciss layer 1036 with parallel long bar shaped ito transparent electrode, and the cross section that this parallel long strip light intercepts absciss layer 1036 is tool T shape top, thickness 0.8 μ m, strip photoresistance separator 1036 live widths 0.18 μ m.Afterwards, strip photoresistance separator 1036 with this T shape top is a shadow mask, gap area between all parallel shadow mask, TPD (N with 700 dust thickness on the vacuum evaporation mode evaporation, N '-diphenyl-N, N '-bis (3-methylphenyl)-1,1 '-biphenyl-4,4 '-diamine); Afterwards, again on the evaporation Alq3 of 500 dust thickness as organic light emitting function layer 1035; At last with cathode electrode aluminium, equally with vacuum evaporation mode evaporation to 1000 dust thickness, to form negative electrode 1034.
At last, through sealing up adhesive layer 1032, and under noble gas (nitrogen) environment, enclose upper cover body 106, cover this viewing area 103, so form electroluminescent display.
Embodiment 2
The structure of the Organic Light-Emitting Device of present embodiment is identical with last embodiment, only be in the method for packing, insulating barrier is used Polyimide (polyimide) instead, it is the anode pattern that once forms the stripe-arrangement of viewing area in gold-tinted etch process etching mat etching silver alloy and indium tin oxide (ITO), first guide wire of first lead district, behind the pattern of second guide wire of second lead district and connection lead, coat panel outside this viewing area with coating process, then handle and form insulating barrier through preceding baking (prebake) postexposure bake (PEB) again.Again follow the step that is same as embodiment 1 and finish all elements of Organic Light-Emitting Device viewing area thereafter.
Electroluminescent display of the present invention covers with insulating barrier because of the assistant metal layer that will be positioned at outer guide wire of adhesive layer and connection lead, so can reduce or avoid guide wire to cause deterioration because of water in the environment and oxygen, reducing guide wire burns or short circuit, improve display quality, increase the service life, improve the production yield of panel, reduce the cost of defective products loss.In addition, because the present invention protects the assistant metal layer in the mode that covers insulating barrier, its method for processing is simple; the covering of the assistant metal layer of guide wire and connection lead can once be finished; so can simplify processing procedure, reduce the use of light shield, the time that reduces production costs and reduce manufacturing.
In sum, no matter the present invention all is different from the feature of known technology with regard to purpose, means and effect, in fact is one to have the invention of practical value, should meet patent condition.Only it should be noted that above-mentioned many embodiment give an example for convenience of explanation, the interest field that the present invention advocated should be as the criterion so that claim is described certainly, but not only limits to the foregoing description.

Claims (27)

1. an electroluminescent display is characterized in that, comprises:
One substrate is to have one first lead district, one second lead district and a viewing area; Wherein this viewing area is adjacent to this first lead district and this second lead district respectively;
A plurality of connection leads are to be positioned at outside this viewing area of this substrate surface, and are not cross-linked between this connection lead;
A plurality of first electrode wires are these viewing areas that are positioned at this substrate surface, and each first electrode wires and be connected lead with and be connected;
A plurality of first guide wires are first lead district that are positioned at this substrate surface, are not cross-linked between each first guide wire;
A plurality of second guide wires are second lead district that are positioned at this substrate surface, are not cross-linked between each second guide wire;
A plurality of second electrode wires are these viewing areas that are positioned at this substrate surface, and each second electrode wires is connected with this first guide wire or this second guide wire;
One upper cover body is to be positioned at this top, substrate viewing area, in order to cover this substrate viewing area;
One adhesive layer is between this upper cover body and this substrate, to seal this substrate viewing area, the viewing area of this substrate and air or water is isolated; And
One insulating barrier is to be covered in this adhesive layer this first guide wire outward, and this second guide wire and this connect lead, with air-isolation or water;
This first electrode wires wherein, this first guide wire, this second guide wire and this connection lead have an at least one assistant metal layer and a transparent electrode layer, this transparent electrode layer and between this assistant metal layer and this substrate.
2. electroluminescent display as claimed in claim 1 is characterized in that, wherein this insulating barrier is SiO 2, TiO 2, or SiNx.
3. electroluminescent display as claimed in claim 1 is characterized in that, wherein this insulating barrier is an epoxy resin, unsaturated polyester resin, iron not imperial resin, phenolic resins or Polyimide.
4. electroluminescent display as claimed in claim 1 is characterized in that, wherein this viewing area is between this first guide wire and this second guide wire.
5. electroluminescent display as claimed in claim 1 is characterized in that, this first electrode wires wherein, these a plurality of first guide wires, and this assistant metal layer of these a plurality of second guide wires be aluminium, chromium, yellow gold or silver alloy.
6. electroluminescent display as claimed in claim 1, it is characterized in that, it also comprises a plurality of separators, and wherein this separator is to be positioned on the surface of the substrate of this viewing area or this first electrode wires, and this separator is between this adjacent second electrode wires.
7. electroluminescent display as claimed in claim 1 is characterized in that, it also comprises a plurality of pixel definition layers, to isolate and to define each organic light emitting function layer zone; Wherein each pixel definition layer is between adjacent organic light emitting function layer and is positioned at this substrate or the surface of these a plurality of first electrode wires.
8. electroluminescent display as claimed in claim 7 is characterized in that, wherein this pixel definition layer is a Polyimide.
9. electroluminescent display as claimed in claim 1 is characterized in that it also comprises at least one auxiliary electrode line, and wherein this auxiliary electrode line is positioned at this first electrode wires or this second electrode wires, and auxiliary electrode line is aluminium, chromium or silver alloy in this viewing area.
10. electroluminescent display as claimed in claim 1 is characterized in that, wherein this transparent electrode layer is InSnO 3, SnO 2, doping ZnO In 2O 3, CdSnO or antimony.
11. electroluminescent display as claimed in claim 1 is characterized in that, wherein the material of this second electrode wires is aluminium, diamond, class diamond, calcium, Kufil or magnesium silver alloy.
12. electroluminescent display as claimed in claim 1 is characterized in that, wherein this first electrode wires is for being parallel to each other.
13. electroluminescent display as claimed in claim 1 is characterized in that, wherein this second electrode wires is for being parallel to each other.
14. the method for packing of an electroluminescent display is characterized in that, comprises following step:
(A) have in one and form a viewing area, a plurality of first electrode wires, a plurality of connection leads, a plurality of first guide wires, a plurality of second guide wires on the substrate of an at least one assistant metal layer and a transparent electrode layer;
Wherein this first electrode wires is this viewing area that is positioned at this substrate surface, and each first electrode wires and be connected lead with and be connected;
This first guide wire is positioned at outside this viewing area of this substrate surface, and is not cross-linked between each first guide wire;
This second guide wire is positioned at outside this viewing area of this substrate surface, and is not cross-linked between each second guide wire; And
This first electrode wires, this first guide wire, this second guide wire and this connection lead have an at least one assistant metal layer and a transparent electrode layer, this transparent electrode layer and between this assistant metal layer and this substrate;
(B) form at least one organic light emitting function layer and a plurality of second electrode wires in this viewing area, and on this substrate this first guide wire of the part outside the viewing area, this second guide wire of part and part should connect formation one insulating barrier on the lead, with air-isolation or water; Wherein these a plurality of second electrode wires and this organic light emitting function layer are positioned at the viewing area of this substrate at least, this organic light emitting function layer is folded between these a plurality of second electrode wires and this each first electrode wires, and this each first electrode wires directly is not connected conducting with these a plurality of second electrode wires; And this each second electrode wires is connected with one first guide wire or with one second guide wire; And
(C) on this viewing area, cover a upper cover body, and between this upper cover body and this substrate, form an adhesive layer;
This outer first guide wire of this adhesive layer wherein, this second guide wire and this connection lead are coated with this insulating barrier.
15. the method for packing of electroluminescent display as claimed in claim 14 is characterized in that, wherein also comprises step (A2) and form a plurality of pixel definition layers on substrate, to isolate and to define each organic light emitting function layer zone; Wherein each pixel definition layer is between adjacent organic light emitting function layer and is positioned at this substrate or the surface of these a plurality of first electrode wires.
16. the method for packing of electroluminescent display as claimed in claim 14, it is characterized in that, wherein before step (B) forms organic light emitting function layer and a plurality of second electrode wires, also comprise (B2), be prior to forming a plurality of separators on the substrate, this separator is to be positioned on the surface of the substrate of this viewing area or this first electrode wires.
17. the method for packing of electroluminescent display as claimed in claim 14, it is characterized in that, wherein step (B) is prior to after forming this insulating barrier outside the viewing area on this substrate, forms a plurality of second electrode wires and this organic light emitting function layer in this viewing area of this substrate again.
18. the method for packing of electroluminescent display as claimed in claim 14, it is characterized in that, wherein step (B) is after this viewing area prior to this substrate forms a plurality of calculation two electrode wires and this organic light emitting function layer, to form this insulating barrier again outside the viewing area on this substrate.
19. the method for packing of electroluminescent display as claimed in claim 14 is characterized in that, wherein this insulating barrier is SiO 2, TiO 2, or SiNx.
20. the method for packing of electroluminescent display as claimed in claim 14 is characterized in that, wherein this insulating barrier is with evaporation, sputter, and immersion plating or spray method form.
21. the method for packing of electroluminescent display as claimed in claim 14 is characterized in that, wherein this insulating barrier is an epoxy resin, unsaturated polyester resin, iron not imperial resin, phenolic resins or Polyimide.
22. the method for packing of electroluminescent display as claimed in claim 14 is characterized in that, wherein this viewing area is between this first lead district and this second lead district.
23. the method for packing of electroluminescent display as claimed in claim 15 is characterized in that, wherein this pixel definition layer is a Polyimide.
24. the method for packing of electroluminescent display as claimed in claim 14 is characterized in that, wherein a plurality of second electrode wires are aluminium, diamond, class diamond, calcium, yellow gold, aluminium silver alloy or magnesium silver alloy.
25. the method for packing of electroluminescent display as claimed in claim 14 is characterized in that, wherein this transparent electrode layer is InSnO 3, SnO 2, doping ZnO In 2O 3, CdSnO or antimony.
26. the method for packing of electroluminescent display as claimed in claim 14 is characterized in that, wherein this first electrode wires is for being parallel to each other.
27. the method for packing of electroluminescent display as claimed in claim 14 is characterized in that, wherein this second electrode wires is for being parallel to each other.
CNB021608237A 2002-12-30 2002-12-30 Electroluminescence display device and packaging method thereof Expired - Fee Related CN1225945C (en)

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